Packet Data Transmission in Third Generation Mobile System

1. An apparatus comprising: a mapping device configured to establish mapping information for delivery order attributes corresponding to different transmission protocol types; a detection device configured to detect a transmission protocol type for the transmission of data packets; a decision device configured to decide whether said detected protocol type is a predetermined type; and a setting device configured to set, based on said mapping information and said decision result, a delivery order attribute as a parameter for transmission of data packets in a packet data network if the predetermined protocol type is not present.

2. The apparatus of claim 1 , wherein the delivery order attribute indicates that the order of transmitted data packets is to be maintained.

3. The apparatus of claim 1 , wherein the setting device is configured not to set the delivery order attribute if the predetermined protocol type is present.

4. The apparatus of claim 3 , wherein an unset delivery order attribute indicates that the order of transmitted data packets does not need to be maintained.

5. The apparatus of claim 1 , wherein said predetermined protocol type comprises a protocol type used for real-time transmission.

6. The apparatus of claim 1 , wherein said transmission protocol type is derived from packet data protocol (PDP) context information or packet data protocol (PDP) type information.

7. The apparatus of claim 1 , wherein the apparatus comprises a terminal.

8. The apparatus of claim 1 , wherein the apparatus comprises a network element.

9. An apparatus comprising: means for establishing mapping information for delivery order attributes corresponding to different transmission protocol types; means for detecting a transmission protocol type for the transmission of data packets; means for deciding whether said detected protocol type is a predetermined type; and means for setting, based on said mapping information and said decision result, a delivery order attribute as a parameter for transmission of data packets in a packet data network if the predetermined protocol type is not present, wherein said apparatus is implemented on at least one of a network node or a terminal.